Multiple-copying machine.



J. J. PLANIGAN. 3 MULTIPLE COPYING MACHINE.

APPLICATION FILED MAY 1, 1911.

' Patented Nov. 24, 1914.

3 SHEETS-SHEET 1.

J. J. PLANIGAN MULTIiLB COPYING MACHINE. 11111101111011 FILED; MAY 1,1911 1,1 1 8, 1 1 9. 1 Patented Nov. 24, 1914.

3 SHEETSSHEET 2.

J. J. .FLANIGANf MULTIPLE COPYING MAQHINE.

APPLIGATION FILED MAY 1.1911.

1', 1'1 8 1 1 9. 4 Patnt'd Nov. 24, 1914.

8 SHEETS-SHEET 3'.

srATns TUBING COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION 'OF MULTIPLE-COPYING MACHINE.

WEST VIRGINIA.

Specification of Letters Patent. Patented Nov, 24, 1914 Application filed May 1. 1911. Serial No. 624,308.

To all 'whom it may concern: v

Be it known that 1. JOHN. J. FLANIGAn, a citizen of the United States, residing n Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in 'lVlultiple-Copymg Machines, of which the following is a specification.

This invention relates to ple copying machines, or hectographs, as they are sometimes called; andhas for lts general object to improve machines of this character in the direction of rendering them more reliable and efficient in operatlon, more specific objects being to proyide an improved impression device, to provide an improyed means for guiding and supporting the 1mpression device, to provide an improved means for accurately positioning and squaring the sheet oi paper with reference to the copying apron or band, and to prov de an improved'means for preventing slack in the copying apron or band.

In the accompanying drawings 1 have illustrated one practical mechanical embodiment of my invention, in which,

Figure 1 is a top plan vievvof a multiple copying machine constructed in accordance with my invention. Fig. 2 1s aside elevation of the same partly broken away; Fig.

3 is an elevation, broken out, of the upper portion of the machine as Viewed from the opposite side to that shown in Fig. 2; Fig. i

is a detail side elevation of a combined detent and brake for the rear or unwinding roll of the copying apron; Fig. 5 is a detail elevation. broken out, of one of the receiving and delivery spools (which are duplicates); Fig. 6 is a fragmentary elevation showing the bearing of the spools in the rear side of themachine frame; Fig. 7 is a bot tom plan view of the impression device; and Figs. 8 and 9 are crosssect1onal views oi the impression device, Fig. 8 showing the samein working position and Fig. 9 showing the same in idle or paper-receiving position.

Referring to the drawings, 6 designates each of a pair of parallel vertical. side frame members supported on integral legs 7 and themselves constituting a support for a horizontal bed 8 between them. Stretched over the bed 8 is a felt covering 9, that is overlaid bythe gelatin copying apron or band 10. this latter passing around guide-rolls 11 and 12 at the opposite ends of the frame Fig. 5, from which it will be seen the art of multivof duplicate construction,

and being Wound on delivery and receiving spools 13 and 1 1, respectively, journaled'in suitable bearings between the side members 6 and beneath the bed 8. The receiving and delivery spools are duplicates of each other,

and one of them is illustrated in detail in that they are provided at each end with journals 15 and inwardly of the latter with squared portions 16; the two ends or each spool being so that each isreversibleend for end, and when in operative position one end of each spool is engaged with a -driving-chuck such as is shown "at 17 inF'ig; at, this latter having a transverse slot 18 toreceivethe squared portion '16 of the spool and, behind theslot, afcirculrir socket 19 to receive the journal' 115. The journal 15 at the opposite end ofthe spool engages a journal-bearing 20 (Fig; 6-) that may conveniently consist simplyof a semi circular notch formedin the edge of the side frame member 6; the open end of the notch being guarded by a-spring-actuated latch 21 pivoted at 22 on -the-outside of the rear.

' frame member Hand-formed with anin:

\vardly projectinglip-23 that i-s inovabletoward and f'romthe open side ofjthe' notch by the swinging of the latch 21 on its pivot, the said latch being-normally :maintained in operative position by a 'spring 24 an chored 'at its upper end to lug 25 on the frame member 6 and ati-tslovver end connected to a ing 26 projecting inwardly through a. slot 27 in the frame member 6.

The receiving spool 14 has a driving and detent mechanism comprising the follovving parts. v

28 is a sprocket-Wheel lying just inside the front side frame member 6, the shaft of which is suitably journ'aled in said side frame member and provided on its outer end with a hain'l-crank 29. t l-sprocket chain 30 connects the sprocket- Wheel 28 with a smaller sprocketwvheel 31, the shaft of which is likewise joiirnalod in the side frame member 6, the inner end of said shaft being formed with a spindle receiving bearing and chuck identical with thatshovvn at l7, l8, and 19 in Fig. 4. Fast on the shaft of the sprocket 31 is a ratchet-disk 32 controlled by a pair of pivoted dogs 33 and 34 designed to. lock the receiving spool against back I end in a bearing sucliras shown at in Fig.

6, and its opposite end is engaged by the chuck 17, fast with which latter. is aratc'het disk 35. anda brake-diskl36. i. l

. 37 designates a dog pivoted at 38 in the side frame member 6; thetail end of the dog 37being engaged by the forked end of a lever 39 that is 'pivoted at 40th the side gage the brake-wheel 36, and said lever. also carries' a laterally disposed key it (Fig. 2), the shank of which extends through a slot t5 cut in the frame member 6.

From this construction it will be seen that under the action of spring 41, the dog 37 is normally maintained 1nv engagement with the ratchet 36, preventing unwinding movement of the spool 13-; and that by depressing the key 44, the dog is disengaged from the ratchet and the brake-shoe 43 is simultaneously engaged with the brake-disk 36, so that, asthe receiving spool is Wound up and the delivery spool simultaneously unwound, a proper tension is placed by the brake upon the apron or band, preventing the creation of an undesirable slack therein. As sopn as the key 44: is released, the, spring 41 instantly retracts the. brake and: throws the dog into en agement with the ratchet.

Fm the rear side of the machine and extending parallel with and adjacent to the upper edge of the rear side frame member is a rod e6 that constitutes-aguide and support for one end of theimpression device. This rod is adjustably supported at its ends between opposed upper and lower adjusting screws 47 and 48, respectively, (Fig. 3) mounted in brackets 49 secured to the ends of the side frame member 6. By this means the guide-rod 4C6 can be adjusted and leveled very accurately relatively to the bed of the machine.

50 designates the substantially rectangular frame of the impression device that e1:- tends transversely of and above the bed of the machine and at one end is provided with a widened extension 51 that has a sliding engagement with the guide-rod 46 (Figs-1 and 3 'VVithin the frame 50 and pivoted on a rod 52 extending between the end walls of said frame is a bail-shaped yoke 53 to the transverse member of which is secured an operating handle 54. Journaled in and between the arms of'the yoke 53 is a rubber surface platen roll 55 that coiiperates with a gripping roll 56, which latter is journaled in and between the lower ends of a pair of arms 57 that are pivotally hung from screw-bolts 58 secured in the end walls of the frame 50. Compression springs 59 confined between one of the side walls of the niraiia frame 50 and. the outer edges of the hangerarms 57 normally urge the roll 56 inwardly or toward the platen roll 55; so that as the latter is swung downwardly by the handle 54.- from the position shownin Fig. 9 to the position shown in Fig. 8, a sheet of paper,

1 indicated at 60, that is enteredbetweenthe rolls in their open position (Fig: 9) is gripped by and between the rolls and smoothly spread over the surface of the gelatin apron as the impression device is mcved'bodily longitudinally of the latter,

' which latter movement maybe efiected simply- Icy-forward pressure on the handle 54 Whenin the position shown in Figs. 1 and 8.

The; inward movementofthe roll 56 under the thrust-0f the springs 59 is limited by the engagement of stop-pins 61 (Fig. 7) in the lower ends of the hangers 57 with shoulders 62. formed on the lower edges of the end walls of the frame 50..

.63 designates a gravity-lock for maintaining the platen roll 55 and the yoke 53 carryin'gwthe same lowered or working position, said lock being pivoted at 64 to the end wall of the frame 50 and its lower end norv mally tending to engage a shoulder 65 formed on one of the arms of the yoke 53.

Rising from'one end of the front side wall 6 (Figs. 1 and 2) is a liked stop 66 that is struck by a depending arm 67 secured to or integral with the upper end of the lock 63 and overhanging theouter side of one end Wall of the frame 50, the engagement'of said parts occurring when the impression device has been retracted to its extreme position at the paper-receiving end of the machine, such engagement obviously rocking the lock 63 out of engagement with the shoulder 65, and permitting the backward swing of the handle 54: and yoke 53 and the separation of the rolls 55 and 56, as shown in Fig. 9. The platen roll 55 is positively driven asthe impression device is moved bodily over the. bed of the machine; the means for this purpose comprising a spirally grooved spool 68 (Figs. 1 and 7)! fast on one end of the spindle of the impression roll 55 and lying outside the end Wall of the frame 50, said spool engaging a cord 69 secured at one end to one of the brackets 4:9 and placed under tension by a connection at its opposite end to ahelical spring 70 that is anchored to an eye-bolt 71 secured in the rear side frame member 6.

One of the side walls of the frame 50 is inclined or outwardly flared, as best shown in Figs. 8 and 9, and to the same is secured a pan or chute 72 that serves to guide the advance portion of the sheet 60 into the impression device and between the rolls thereof; this pan or chute having at one end a stationary end guide wall 73 and at its opposite end an adjustable end guide Wall 74: formed on a clip 75- that slidahly minim engages the base orbo'ttom :ofY-the chute 12, thereby adapting the latter to the accom modation of paper sheets of varying widths.

As an aid in accurately positioning and squaring the paper sheet "60 as it isintroduced to the machine, ,l-i emplory a gage in the form of anangle-"bar 76, which is pivoted at one end abracket '77 (Fig. 1) secured to the -i1mer;face-uof the rear side frame 6 just in advance ofthe guide roll 12, and at its opposite end is-adaptedto rest on a screw 78 tapped into the forward end of the bed 8; this gage-bar thus lying just in advance of the receiving end of the copy' ing band, as best shown in Fig. 1.

Onthe guide-bar 46 is an adjustable stop for limiting the advance travel of the im-- pression' device, the same consisting, as here in shown, of a two-part clamp 79 that is loosened and tightened by a clamp-screw 80, that is adapted to be engaged by the .advance end of the extension '51 of the impression device. The frame of the impression device is also provided at its opposite end with a vertical screw 81 (Figs. 1 and 2) threaded through a lug -82 on the end wall of the frame 50 and at its lower end adapted to slidingly engage a horizontal way 83 formed on the upper edge of the front side frame member 6. The, main function of this screw 81 is to limit the amount ofpressure applied to the duplicating band by the impression device in taking a copy.' The lower end of the screw 81 is normally just out of engagement with the way '83; but if the operator applies undue pressure to the handle 54 in operating the machine, the lower end of the screw 81 engages the way 83 and thus limits the extent of pressure applied to the duplicating band. The extent of this pressure can be nicely regulated to secure the best results with bands of varying thicknesses, or differing in other qualities, by simply screwing up or down the screws 81, 47' and 4:8 as may be required. The screw 81 and rod 46 also support th carriage, when open, off the band.

The extension 51 of the frame of the impression device is preferably provided with a pair of downwardly extending prongs 84 (Figs. 1 and 3 which, when the impression device is swung upwardly on the guide-rod 46 as a pivot, engage the rear side frame 6 when the impression device is slightly beyond thevertical position, and thus maintain the latter in elevated position. This is done when it is desired or necessary to wash the duplicating band or replace it by a new band. In one end of the extension 51 is mounted'an adjustable stop for the rearward travel of the impression device, the "same conveniently consisting of a screw 85 (Fig. 1) provided with a lock-nut 86, and

adapted to engage an angular extension 6 of the rear side frame 6 to bring the rolls printed margin occurring at the forward end of the sheet can be adjusted within certain limits.

The operation of the machine is probably apparent from the foregoing description of its cooperating parts, but may be briefly outlined as follows. i

To ink the duplicatingband, theimpression device is retracted to extreme position, shown in detail in Fig. 9, and the master sheet, from which copies are to be madeis inserted between the rolls of the impression device, the latter being separated as shown in Fig. 9, and the forward edge of the sheet being stopped and squared by the gage 76. The handle 54 being then thrown forward, the sheet is gripped between the rolls 55 and 56 and carried downwardly on to the duplicating band and lockedthere'on' by the latch 63, as shown in Fig. 8. The impression de vice is then pushed forwardly over the bed 7 of the machine until it engages stop 80, which will be set in accordance with the length of thesheet. The impression device is then retracted, the sheet being fed out Wardly by the reverse movement of the rolls 55 and '56 until the extension 67 of the locking latch 63 strikes the fixed stop 66, whereupon the handle 54: swings backwardly separating the rolls, and allowing the paper to be drawn out of the impression device.

This same operation is then gone through with with the copy sheets, as many copies as desired or possible being taken off; and owing to the devices for accurately guiding and positioning the sheet preliminary to impressing the same upon the duplicating band, it is possible to obtain great accuracy and turning the'crank 39; the pressure of the key releasing the dog 37 and simulta-' neously throwing the brake-shoe 43 on to the brake-disk 36, thereby imparting a sufficientdrag to the delivery spool to keep the band taut. When the band has been entirely wound up on the receiving-spool, the two spools and band can be withdrawn, and reversed, the receiving-spool then becoming the delivery-spool and vice versa, the duplicate construction at both ends of each spool spindle making such reversal possible.

I claim- 1. In a machine of the character described, the combination with the frame and bed, of receiving and delivery spools jourlot inaled in the f rarne, a'duplicating band extending over thebed, between said spools, meansfori turning they.,receiving spool to wind the, band thereon,-'a chuck engaging the spindle of the delivery spool, ratchet and brake-disks fast with; said chuck, a brake adapted to engage said brake-disk, a pawl adapted to engage said ratchet-disk and connected to said brake, a spring normally acting to simultaneously retract the brake and engage the pawl, and manually operable means for simultaneously retract-- ing the pawl and applying the brake, substantially as described; o

2. In a machine of the character described, the combination with the frame and bed, ofreceiving and delivery spools journaled in-theframe, a duplicating band eX-.

tending over the bed between said spools, means for turning the receiving spool to wind the band thereomai chuck engaging the spindle of the delivery spool, ratchet and brake disks fastjwith said chuck, a pivotally mounted'lei' er carrying a brake-shoe adapted to engage said brake disk, a spring normally acting to retractsaid lever and brake-shoe from said brake disk, a pivoted pawl connected to said lever and adapted to be thrown into engagement with said ratchet-disk by the brake-retracting movement of said lever, and a manually operable key connected to sa id lever-for actuating the same in opposition to said spring, substantially as described. r

3. An impression device for a hectograph machine, .comprising, in combination, a frame, ayoke pivotally;.-mountedin said frame, a platen-roll journaled in and between the arms of said yoke, an operating handle for said yoke, and'a spring-pressed bodily yieldable gripping-roll mounted in said frame independently of said 'yoke and adapted for cooperation-with said platen roll, substantially as described.

4:; An impression device for a hectograph machine, comprising, in combination, a frame, a yoke pivotally mounted in said frame, a platen-roll journaledin and between thearms of said' yoke, an operating handle for said yoke, a .pair'of arms pivotally mounted in said frame independently of said yoke, a grippingroll journaled in and between the free ends of said arms, and springs engaging said arms in a manner to urge said grip'pingroll toward said platenroll, substantially as described.

5. An impression device for a hectograph machine, comprising, in combination, a frame, a yoke pivotally mounted in said frame,-a,platen-roll journaled in and be tween the arms of said yoke, an operating arrears .handl'e forsaidyoke, a pair of armspivot ally mounted insaid frame independently of said yoke, a gripping-roll journaledin and between .the free ends of said arms,

springs engaging said arms inv a manner.

to urge said grippin -roll toward. said platen-roll, and means automatically locking said yoke against movement when swung to carry said platen'roll into working position, substantially as described.

6. In a machine of the character. de-

scribed, the combination with aframe and bed, and a duplicating band supported on the latter, of an impression device adapted to operate over said band, arod adjustably mounted on one side of 'said frame parallel Withsaid duplicating band and slidably engaged by one endof said impression device, a way formed on the opposite side of said frame, and a vertically adjustable bearing member carried by the opposite end of said mounted on said frame above said band and: y

1 carrying paper-feed rolls suitably mounted therein and means for separating and closing said feed-rolls,.a stop limiting the ex- ;tent of movement of said impression device toward the receiving end of the machine,

and a gage-bar disposed across the receiving end of the bed and serving'to position the advance edge of a sheet. introduced between the feed-rolls of said impression device, substantially as described:

8. In a machine of the character described, the combination with the frame and bed, and a duplicating band mounted on the latter, of an impression device slidably mounted on said frame above said band and carrying paper-feed rolls suitably mounted therein and means for separating and closing said feed rolls, a stop limiting the extent of movement of said impressiondevice toward the receiving end of the machine, and a gage-bar disposed across the receiving-end of the bed and pivoted at one end relatively to the latter, said gage-bar serving to arrest and square the advance edge of a sheet introduced between the feed rolls of said impression device, substantially as described.

. JOHN J. FL'ANIGAN. Witnesses:

SAMUEL N. POND, DAISY (1- THORSEN. 

